| ID | Interpret | Skladba | Album | |
| 61. | Texas Public Policy Foundation | Environmental regulations in the 80th Session | Texas PolicyCast |  |
| 62. | Guest Lecturer - Walt Guy | Lecture 13: Environmental Control Systems | MIT OCW: 16.885J/ESD.35J Aircraft Systems Engineering, Fall 2005 | |
| 63. | Hazardous Waste Clean-Up Information | MAY 31, 2007: Nanotechnology - Environmental Sensors | | |
| 64. | Sunday Morning Wake-Up Call with Rick Moore | Environmental Architecture in Central Virginia | Charlottesville Podcasting Network | |
| 65. | Texas Public Policy Foundation | Environmental regulations in the 80th Session | Texas PolicyCast | |
| 66. | Jason Clark | Environmental Stewardship: Seeing the Wood From the Trees | Environmental Stewardship: Seeing the Wood From the Trees | |
| 67. | JW Oosthoek | Environmental history: a transatlantic perspective | Exploring Environmental History | |
| 68. | Pat Scanlon - Recycling at Lowell Folk Fest 2006 | Environmental Corner - Thinking Out Loud | 2006-07-26 | |
| 69. | Emmanuel Kreike | Beyond Words: Environmental History, Digitization and GIS | Lunch 'n Learn speaker series, Princeton University | |
| 70. | Emmanuel Kreike | Beyond Words: Environmental History, Digitization and GIS | Lunch 'n Learn speaker series, Princeton University | |
| 71. | Pat Scanlon - Recycling at Lowell Folk Fest 2006 | Environmental Corner - Thinking Out Loud | 2006-07-26 | |
| 72. | James Desmond | Environmental racism in Nova Scotia | | |
| 73. | Various Speakers | Conflict Prevention and Resolution Forum: The Global Peace Index: Its Value and Implications, and the Next Steps | Johns Hopkins SAIS Events - Summer 2007 | |
| 74. | Alex Wunschel | Blick 178 ARD-ZDF-Onlinestudie, Playboy-Verlosung, Twitter Brand Index und Facebook-Gangster | Tellerrand | |
| 75. | JW Oosthoek | Environmental histories of settlement in Canada and New Zealand | Exploring Environmental History | |
| 76. | JW Oosthoek | The nature, methods and future of environmental history | Exploring Environmental History | |
| 77. | Chicago Public Radio | Student Housing Doubles as Environmental Learning Lab | | |
| 78. | IBM | Using Innovation to Drive Environmental Regulation: A dialogue with IBM and Alcoa | Global Innovation Outlook | |
| 79. | Views On News | William Moomaw, Professor of International Environmental Policy | The Fletcher School, Tufts University | |
| 80. | Blake Wesley | Colorado wins Rocky Mt. Arsenal Environmental Lawsuit | | |
| 81. | David Lemberg | Dr. Peter Myers, Founder and CEO, Environmental Health Sciences, 5-3-07 | SCIENCE AND SOCIETY | |
| 82. | James Connaughton | Chairman, White House Council on Environmental Quality | Reuters Global Environment Summit |  |
| 83. | Aryan Tavakkoli - info@vegetarian.org.nz | Environmental Impact of Eating Fish - info@vegetarian.org.nz | Environmental Impact of Eating Fish - info@vegetarian.org.nz | |
| 84. | Berkeley Groks | Berkeley Groks 12-04-03 Michael Hoffmann: Environmental Remediation | | |
| 85. | Daniel Johnson, Jr. | Intro to Series and How I Got My Job as an Environmental Engineer - Daniel Johnson, Jr. | How I Got My Job - howigotmyjob.com | |
| 86. | Justin Hopper | Interview with Kathy Knauer of the Environmental Oral History Project | Making the Connections: the podcasts | |
| 87. | Dave Krupp | Marine Biology & Environmental Awareness with High School Students | HPR Points of Contact | |
| 88. | John Peterson Myers, Ph.D. | An Environmental Health Science Revolution: New Opportunities to Prevent Disease | Medical Center Hour | |
| 89. | Dave Krupp | Marine Biology & Environmental Awareness with High School Students | HPR Points of Contact | |
| 90. | Hazardous Waste Clean-Up Information | May 2, 2006: Introduction to Environmental Insurance and Other Risk Management Tools | | |
